102787820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 223449408

約数和(自身を除く): 120661588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 1217, 2060, 2434, 4223, 4868, 6085, 8446, 12170, 16892, 21115, 24340, 42230, 49897, 84460, 99794, 125351, 199588, 249485, 250702, 498970, 501404, 626755, 997940, 1253510, 2507020, 5139391, 10278782, 20557564, 25696955, 51393910, 102787820]

約数ペア:

[(1, 102787820), (2, 51393910), (4, 25696955), (5, 20557564), (10, 10278782), (20, 5139391), (41, 2507020), (82, 1253510), (103, 997940), (164, 626755), (205, 501404), (206, 498970), (410, 250702), (412, 249485), (515, 199588), (820, 125351), (1030, 99794), (1217, 84460), (2060, 49897), (2434, 42230), (4223, 24340), (4868, 21115), (6085, 16892), (8446, 12170)]